INCH-POUND
MIL-PRF-1/1314D
7 February 2005
SUPERSEDING
MIL-PRF-1/1314C
8 July 1999
PERFORMANCE SPECIFICATION SHEET
ELECTRON TUBE, POWER
TYPES 6283 AND 8500
This specification is approved for use by all Depart-
ments and Agencies of the Department of Defense.
The requirements for acquiring the electron tube described herein
shall consist of this document and the latest issue of MIL-PRF-1.
DESCRIPTION: Tetrode.
See figures 1 and 2.
Mounting position: Any.
Weight: 1 pound nominal.
ABSOLUTE RATINGS: F1 = 400 MHz and F2 = 900 MHz. 1/ 2/
Parameter:
Ef
Eb
Ec1
Ec2
Ic1
Ib
Unit:
V
kV dc
V dc
V dc
mA dc
mA dc
Maximum:
Class C Teleg: (900 MHz)
6.8
1.6
-100
320
50
300
Class B RF:
(400 MHz)
6.8
2.0
---
320
50
250
Test conditions:
6.3
1.0
Adj
Adj
---
---
ABSOLUTE RATINGS:
Parameter:
Cooling
Pg1
Pg2
Pp
Pi
tk
Unit:
1/
W
W
W
W
sec
Maximum:
Class C Teleg: (900 MHz)
---
2
15
480
480
60
Class B RF:
(400 MHz)
---
---
5
500
500
60
Test conditions:
---
---
---
---
---
60
____________________________________________________________________________________________
GENERAL:
Qualification: Required.
Holding period (t = 72 hours).
Alternate life test - With qualifying activity approval (vqe.chief@dla.mil) both qualification and conformance inspection part 3 life
test requirements for tube type 6283 may be satisfied using alternate life test conditions specified in 8/. Manufacturers utilizing the
alternate life test shall provide service-life guarantee (see below) with all tubes delivered. Life test end points specified shall apply to
alternate life test qualification and conformance inspection part 3 as well as to originally specified life test qualification and
conformance inspection part 3.
Service-life guarantee (MIL-PRF-1) - Type 6283 tubes manufactured using processes qualified and conformance inspected (part
3) in accordance with the alternate life test (above) shall provide service-life guarantee with guaranteed service system-deployed,
accumulated tube operating time of 500 hours minimum (see 9/).
Marking - (see 9/) Type 6283 tubes sold under service-life guarantee shall be marked as indicated in footnote 9/.
AMSC N/A
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FSC 5960
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